A magnitude ML 0.9 earthquake occured in region: 3 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0840, 11.6540 at 7 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Marradi | FI | 3 | 3139 | 3139 |
Tredozio | FC | 7 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Portico e San Benedetto | FC | 12 | 756 | 6261 |
Modigliana | FC | 14 | 4560 | 10821 |
Rocca San Casciano | FC | 15 | 1910 | 12731 |
Premilcuore | FC | 15 | 799 | 13530 |
Casola Valsenio | RA | 16 | 2617 | 16147 |
San Godenzo | FI | 18 | 1167 | 17314 |
Brisighella | RA | 18 | 7639 | 24953 |
Castel del Rio | BO | 19 | 1246 | 26199 |
Dovadola | FC | 19 | 1653 | 27852 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-12-02 23:27:28 |
44.0843 | 11.654 | 7 | 2023-12-02 23:32:08 |
Sala Sismica INGV-Roma | 123724991 |
Field | Value |
---|---|
Time (UTC) | 2023-12-02 23:27:28 ± 0.1 |
Latitude | 44.0843 ± 0.0027 |
Longitude | 11.6540 ± 0.0038 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 123724991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 320 |
Semi-minor axis of confidence ellipse (meter) | 70 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 114 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.04137 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26710 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 123724991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-02 23:32:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-12-02T23:27:39.30 | 0.6 | undecidable | manual | S | 203 | 29.6481 | 103 | -0.02 | 49 |
IV.BOSL.HHZ. | 2023-12-02T23:27:38.69 | 0.3 | undecidable | manual | S | 233 | 28.0497 | 104 | -0.09 | 72 |
IV.RINC.EHZ. | 2023-12-02T23:27:37.05 | 0.6 | undecidable | manual | S | 190 | 22.2555 | 107 | 0.21 | 47 |
IV.SFI.EHZ. | 2023-12-02T23:27:37.79 | 0.6 | undecidable | manual | S | 142 | 25.1526 | 105 | -0.02 | 49 |
IV.VISG.HHZ. | 2023-12-02T23:27:36.52 | 0.3 | undecidable | manual | S | 304 | 20.9679 | 108 | 0.11 | 73 |
IV.VMGN.HHZ. | 2023-12-02T23:27:35.61 | 0.6 | undecidable | manual | S | 214 | 17.3715 | 112 | 0.38 | 46 |
IV.RUFI.EHZ. | 2023-12-02T23:27:34.53 | 0.6 | positive | manual | P | 203 | 29.6481 | 103 | -0.32 | 46 |
IT.MOG.HNZ. | 2023-12-02T23:27:34.06 | 0.6 | undecidable | manual | S | 43 | 13.0758 | 118 | 0.17 | 48 |
IV.BOSL.HHZ. | 2023-12-02T23:27:34.49 | 0.1 | undecidable | manual | P | 233 | 28.0497 | 104 | -0.05 | 97 |
IV.RINC.EHZ. | 2023-12-02T23:27:33.46 | 0.3 | negative | manual | P | 190 | 22.2555 | 107 | 0.04 | 73 |
IV.SFI.EHZ. | 2023-12-02T23:27:33.68 | 1.0 | undecidable | manual | P | 142 | 25.1526 | 105 | -0.3 | 23 |
IV.VISG.HHZ. | 2023-12-02T23:27:33.12 | 0.6 | negative | manual | P | 304 | 20.9679 | 108 | -0.06 | 49 |
IV.VMGN.HHZ. | 2023-12-02T23:27:32.61 | 0.1 | undecidable | manual | P | 214 | 17.3715 | 112 | 0.12 | 97 |
IT.MOG.HNZ. | 2023-12-02T23:27:31.70 | 0.1 | undecidable | manual | P | 43 | 13.0758 | 118 | -0.01 | 100 |
IT.MRR.HGE. | 2023-12-02T23:27:31.47 | 0.6 | undecidable | manual | S | 241 | 4.5954 | 146 | -0.16 | 49 |
IT.MRR.HGE. | 2023-12-02T23:27:30.29 | 0.1 | undecidable | manual | P | 241 | 4.5954 | 146 | -0.12 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHN. | ML:1.0 | 0.00008505000000000001 | 1.42 | AML | other | m | 2023-12-02T23:27:36.90 |
IV.VMGN.HHE. | ML:0.8 | 0.000058099999999999996 | 0.54 | AML | other | m | 2023-12-02T23:27:38.55 |